自动拨号连接互联网，联网成功后，向指定的窗口发送一个WM_COPYDATA消息， 消息内容的dwData属性是ID_MAGIC_NOTIFY，cbData属性是sizeof(RASCONNSTATE), lpData属性指向一个RASCONNSTATE结构体-Automatic dial-up Internet connection, networking successful, to the designated window send a WM_COPYDATA message, m

send between applications_ using wm_copydata

这是一个消息收发器，集合了六种常用协议，如SOCKET，WM_COPYDATA，命名管道等，是协助程序员测试的利器。-This is a message send/recv program, with 6 common protocals, such as socket, wm_copydata, named pipe and so on, will be very useful for the coder.